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escapeshellarg

(PHP 4 >= 4.0.3, PHP 5)

escapeshellargEscape a string to be used as a shell argument

Description

string escapeshellarg ( string $arg )

escapeshellarg() adds single quotes around a string and quotes/escapes any existing single quotes allowing you to pass a string directly to a shell function and having it be treated as a single safe argument. This function should be used to escape individual arguments to shell functions coming from user input. The shell functions include exec(), system() and the backtick operator.

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Parameters

arg

The argument that will be escaped.

Return Values

The escaped string.

Examples

Example #1 escapeshellarg() example

<?php
system
('ls '.escapeshellarg($dir));
?>

See Also

  • escapeshellcmd() - Escape shell metacharacters
  • exec() - Execute an external program
  • popen() - Opens process file pointer
  • system() - Execute an external program and display the output
  • backtick operator

 
 

Execute escapeshellarg( string $string );

$string =


Php Version:


Output:




 

 

 


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